All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=780230

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=1b04abd59e9709f80e36d6fef2b9f5d09fb1529753389edb577e48edeccfe449


Bot(s) for this bug's original alert(s):

android-nexus5

Started bisect job https://chromeperf.appspot.com/buildbucket_job_status/8964184423609337184

=== BISECT JOB RESULTS ===
Perf regression found with culprit

Suspected Commit
  Author : Nicholas Verne
  Commit : 5420564de0e2b7da728e7a9402e04b6cdfb9fc0a
  Date   : Fri Oct 27 07:37:54 2017
  Subject: Mojoify control messages for child processes.

Bisect Details
  Configuration: android_nexus5_perf_bisect
  Benchmark    : system_health.memory_mobile
  Metric       : memory:chrome:all_processes:reported_by_os:system_memory:native_heap:proportional_resident_size_avg/browse_chrome/browse_chrome_newtab
  Change       : 4.28% | 34140673.3333 -> 35607278.6667

Revision             Result                   N
chromium@512062      34140673 +- 1095983      6      good
chromium@512090      33635500 +- 754309       6      good
chromium@512104      33966959 +- 608089       6      good
chromium@512111      33701593 +- 731947       9      good
chromium@512114      34147927 +- 3239014      9      good
chromium@512115      35782496 +- 1741770      9      bad       <--
chromium@512116      35589886 +- 1488272      9      bad
chromium@512117      35607279 +- 923439       9      bad

Please refer to the following doc on diagnosing memory regressions:
  https://chromium.googlesource.com/chromium/src/+/master/docs/memory-infra/memory_benchmarks.md

To Run This Test
  src/tools/perf/run_benchmark -v --browser=android-chromium --output-format=chartjson --upload-results --pageset-repeat=1 --also-run-disabled-tests --story-filter=browse.chrome.newtab system_health.memory_mobile

More information on addressing performance regressions:
  http://g.co/ChromePerformanceRegressions

Debug information about this bisect:
  https://chromeperf.appspot.com/buildbucket_job_status/8964184423609337184


For feedback, file a bug with component Speed>Bisection